Shower shelf and towel bar unit



FIG. 1 is a front view showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a shower shelf and towel bar unit, as shown. 